1. Enter the drawing online website, select mind map on the page, and click Use.

2. You will enter the new file page, where you will talk about how to draw a mathematical mind map, so choose a new mind map for the next step.

3. In the transferred page, select Experience Now to enter the page of online editing mind map. There are toolbars around the page, which is the central theme and can be edited and used around the central theme.

4. The construction of mind map, the first is to build and use the framework. Right-click the central theme, and the word lower level will appear. Click to add a node.

5. Double-click the mind map node to edit the content, and edit the font style and font size while inputting the content. Operate in the appearance bar.

6. In the appearance column, you can also edit the frame style, frame color and background color of mind map, and you can explore it yourself.

7. After drawing, you can choose to export the mind map for storage and use. There is an export operation in the upper right of the drawing panel. You can export by selecting an export format. There are many formats to export.